Clinical trial Recruiting at 2 sites Interventional Ages 18 and up

Head-of-bed position after clot-removal stroke therapy

Official title: A Pragmatic, Multicentre, Adaptive, Prospective, Open-label, Blinded Endpoint Randomized Clinical Trial Assessing the Impact of Head-of-bed Positioning at 0-degrees Versus 30-degrees or More on Functional Recovery Following Endovascular Thrombectomy for Anterior Circulation Large Vessel Occlusion Stroke.

Run by Population Health Research Institute · NCT07367633 · Data updated 2026-11-12

This study tests whether keeping the head of the bed flat (0 degrees) after thrombectomy improves recovery compared with a raised position in adults who had an ischemic stroke due to large vessel blockage.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment2240 (estimated)
SponsorPopulation Health Research Institute
Academic / other
Locations2 sites (Greater Sudbury, Ontario and 1 other locations)
StatusRecruiting
StartedSeptember 3, 2026
Main results expectedApril 2029
Study endsMay 2029
Registry record updatedSeptember 18, 2026
Trial IDNCT07367633 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18 years or older who have had an anterior circulation ischemic stroke treated with endovascular thrombectomy.

Probably not a fit

Patients who do not experience improved outcomes from bed-positioning strategies or who have contraindications to specific post-procedure positioning may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

In this interventional trial, adults who have undergone endovascular thrombectomy for large vessel occlusion are randomized to be kept with the head of the bed at 0 degrees or at 30 degrees or higher. The aim is to see if body positioning after clot removal influences functional outcomes after stroke. The study compares two post-procedure head positions and uses standard care for all other aspects of recovery. Eligibility requires confirmed LVO treatment, consent capability, and specific clinical criteria; exclusions include pre-procedure ventilatory support and certain heart conditions. The trial is sponsored by the Population Health Research Institute with sites in Ontario, Canada.

Why it matters

Potential benefit: If successful, adopting optimal head-of-bed positioning after thrombectomy could improve functional recovery and reduce disability after stroke.

How similar studies have gone: Previous thrombectomy-positioning research has yielded mixed results, making this approach exploratory but potentially practice-changing if beneficial.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 18 years or older on the date of randomization
* Endovascular thrombectomy (EVT) for large vessel occlusion (LVO) in the anterior circulation, according to current guidelines and local standards of clinical care. The definition of LVO may include the intracranial segment of the internal carotid artery (ICA), and/ or the M1 segment (proximal, mid, distal) of the middle cerebral artery (M1-MCA), and/ or the proximal M2 segment of the MCA (M2-MCA)
* Capable of giving signed informed consent either independently, or by a legally authorized representative (LAR), or via a deferred consent process approved by the relevant ethics committee, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.

Exclusion Criteria:

* Mechanical ventilatory support for acute medical condition prior to procedure (i.e. required for reasons other than procedure)
* Symptomatic congestive heart failure, chronic obstructive pulmonary disease, or any other medical condition that would make either HoB position inappropriate for patient care in the judgement of the investigator.
* Any condition, such as but not limited to, agitation/ delirium or severe nausea/ vomiting, that, in the view of the investigator, is expected to significantly impede maintaining the assigned HoB
* Any condition with life expectancy of less than 3 months
* Inability to randomize within 1 hour from the end of the EVT

Where it's running

  • Health Sciences North
    Greater Sudbury, Ontario, Canada
    Recruiting
  • Hamilton General Hospital
    Hamilton, Ontario, Canada
    Recruiting

Study contacts

  • Principal investigator: Aristeidis Katsanos, MD — Population Health Research Institute
  • Study coordinator: Samantha Block, BSc
  • Email: hobit@phri.ca
  • Phone: 905-521-2100

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  • Virtual Stroke Unit care for patients in non-specialized hospitals

    This study tests whether delivering stroke care remotely via a Virtual Stroke Unit is as safe and effective as traditional stroke units for adults with acute stroke who aren’t candidates for thrombectomy.

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.